Civil Service Personnel Rule 6

6. A service personnel who is appointed with a confirmation is:
(a) entitled to enjoy the specified pay and allowances from the commencing date on which the service personnel performs his duties;
(b) entitled to enjoy the pay for the post to which the service personnel is promoted, while on foreign service or on study leave in a foreign country, from the commencing date of promotion;
(c) entitled to enjoy the pay for the post to which the service personnel is promoted, while on deputation with the external service regulations in or out of the country, only when he returns to service in the parent department at the end of deputation.